Want to boost your metabolism and build strength while in a caloric deficit? S-4 can do just that. S4, or Andarine, SARM designed to promote muscle growth and fat loss. It works by selectively binding to androgen receptors in muscle and bone tissue, stimulating anabolic activity while minimizing androgenic effects in other tissues, which helps enhance strength and muscle mass.
30 Day Supply*
50mg of S-4
Length of research
12 Weeks
PCT Yes or No?
Yes, you should take a PCT & Cycle Defender with this product.
Commonly Stacked with
S-4 is commonly stacked with Tesofensine & MK2866 for improved fat loss and strength